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The map of North America with the Western Interior Seaway during the Campanian. The Western Interior Seaway (also called the Cretaceous Seaway, the Niobraran Sea, the North American Inland Sea, or the Western Interior Sea) was a large inland sea that split the continent of North America into two landmasses for 34 million years.
The prehistoric bony fish of Texas are known largely from Cretaceous rocks. Fossils include mostly teeth, vertebrae, and scales, although sometimes well preserved skeletons are found in the Austin Chalk member. [6] During the Turonian Texas was home to the fish Pachyrhizodus leptopsis. [15] Early Cretaceous heart urchins and biscuit urchins.
This list of the prehistoric life of Texas contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Texas.
This list of the Paleozoic life of Texas contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Texas and are between 538.8 and 252.17 million years of age.
Michael R. Waters from Texas A&M University along with a group of graduate and undergraduate students began excavating the Debra L. Friedkin Site in Bell County, Texas in 2006. The site is located 250 metres (820 ft) downstream along Buttermilk Creek from the Gault site ; a Paleo-Indian site excavated in 1998 and found to have deeply stratified ...
The seas of Texas were home to massive reefs made of spined brachiopods jumbled together. [37] Seas that had previously covered Kansas, New Mexico and Texas began drying up and left behind salt deposits. The inner portions of the western United States had a hot dry climate. Sand dunes were common throughout the country. [36]
The remarkable find could shed more light on the prehistoric giant’s role in evolutionary history and the ocean ecosystem it called home, according to Marcello Perillo, a graduate student of ...
Paratethys – Prehistoric shallow inland sea in Eurasia; Piemont-Liguria Ocean – Former piece of oceanic crust that is seen as part of the Tethys Ocean; Superocean – Ocean that surrounds a supercontinent, an ocean that surrounds a global supercontinent; Valais Ocean – Subducted ocean basin. Remnants found in the Alps in the North ...